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Related Concept Videos

Homeostatic Imbalances in Body Temperature01:19

Homeostatic Imbalances in Body Temperature

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Hyperthermia occurs when the body's temperature becomes unusually high, often due to heat exposure, intense physical activity, or certain illnesses. This condition can create a dangerous cycle where elevated body temperature increases the metabolic rate, generating more heat and potentially leading to organ failure and brain damage. A severe form of hyperthermia, called heat stroke, can raise body temperature to life-threatening levels. Fever, on the other hand, is a controlled form of...
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Increased Body Temperature01:25

Increased Body Temperature

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A body temperature above  38°C  (100.4 °F) is known as fever or pyrexia, and a person with fever is termed 'febrile.' Typically, the hypothalamus, a part of the brain that acts as the body's thermostat, regulates body temperature through a thermoregulatory setpoint. It receives signals from cold and warm thermal receptors throughout the body and adjusts the body's temperature accordingly. Fever occurs when this hypothalamic setpoint is altered, usually in...
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Drug Toxicity: Allergic Reactions01:30

Drug Toxicity: Allergic Reactions

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Drug-related allergies are immune-mediated responses triggered by the administration of pharmacological agents. These hypersensitivity reactions are classified based on the immune mechanisms involved. The four primary types—Type I, II, III, and IV—are mediated by different immunological pathways and exhibit distinct clinical manifestations.Type I Hypersensitivity/ IgE-Mediated Reactions: Immunoglobulin E (IgE) immediately mediates Type I hypersensitivity reactions. Upon initial...
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Toxidromes: Clinical Features01:30

Toxidromes: Clinical Features

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Toxidromes are specific patterns of symptoms resulting from toxic substance exposure. They help in the identification and treatment of poisoning. The symptoms of each toxidrome group indicate poisoning by a certain class of chemicals or drugs.1. Sympathomimetic: Stimulates the sympathetic nervous system. Symptoms include agitation, increased heart rate (HR), blood pressure (BP), respiratory rate (RR), temperature, and pupil size. Drugs like cocaine and amphetamines, along with tremors and...
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Types of Fever01:25

Types of Fever

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Fever can be triggered by several factors, including infections, nervous system disorders, certain cancers, blood diseases like leukemia, embolism, thrombosis, heatstroke, dehydration, surgical trauma, crushing injuries, and allergic reactions.
Here are the different types of fever:
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Drug toxicity: Idiosyncratic Reactions01:16

Drug toxicity: Idiosyncratic Reactions

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Idiosyncratic drug reactions represent abnormal chemical responses that vary significantly among individuals, ranging from extreme sensitivity to low doses to insensitivity to high doses. These reactions often occur due to the drug's covalent binding with serum proteins, forming a foreign hapten that triggers an immunotoxicological response. The variability in drug reactions has a strong pharmacogenetic foundation, with genetic differences crucial in how individuals metabolize drugs. For...
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Related Experiment Video

Updated: May 3, 2026

Esophageal Heat Transfer for Patient Temperature Control and Targeted Temperature Management
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[Drug-associated hyperthermic syndromes].

Outi Lapatto-Reiniluoto1, Kari Raaska2

  • 1HUS, kliinisen farmakologian laitos.

Duodecim; Laaketieteellinen Aikakauskirja
|January 30, 2014
PubMed
Summary

Early treatment is crucial for drug-associated hyperthermic syndromes like serotonin syndrome and neuroleptic malignant syndrome. Prompt intervention, even without a precise diagnosis, can improve patient outcomes.

Area of Science:

  • Pharmacology
  • Toxicology
  • Neurology

Context:

  • Drug-associated hyperthermic syndromes are a group of potentially life-threatening conditions.
  • Commonly used medications can precipitate these syndromes.
  • Serotonin syndrome and neuroleptic malignant syndrome are key examples.

Purpose:

  • To highlight the importance of early intervention in managing drug-associated hyperthermic syndromes.
  • To differentiate treatment approaches based on syndrome severity.
  • To emphasize prompt management over precise diagnosis.

Summary:

  • Drug-associated hyperthermic syndromes encompass conditions like serotonin syndrome and neuroleptic malignant syndrome.
  • Mild serotonin syndrome may resolve with medication cessation.

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  • Severe cases and neuroleptic malignant syndrome require active pharmacological treatment.

    • Impact:

    • Early and effective treatment initiation is paramount for managing these syndromes.
    • Understanding these syndromes is vital for clinicians prescribing common medications.
    • Prompt therapeutic strategies can significantly improve patient prognosis.